Legal claims defining the scope of protection, as filed with the USPTO.
1. A method for updating a display image of an electrophoretic display panel, the electrophoretic display panel having a plurality of gate lines and a gate driver, each of the gate lines being coupled to a plurality of pixels and the gate driver, the method comprising: dividing the gate lines into a first group and a second group, wherein display data relates to the pixels coupled to the gate lines of the first group need not to be updated, and display data relates to at least one of the pixels coupled to the gate lines of the second group need to be updated; and providing a first type gate pulse to each gate line of the first group and providing a second type gate pulse to each gate line of the second group, wherein the second type gate pulse has a predetermined pulse width, and a pulse width of the first type gate pulse is shorter than the predetermined pulse width, and the first type gate pulse and the second type gate pulse are obtained by adjusting the clock cycle of a clock signal provided to the gate driver.
2. The method as claimed in claim 1 , wherein dividing the gate lines into a first group and a second group is performed according to the difference between the display data of a current image frame of the display image and the display data of a next image frame of the display image next to the current image frame.
3. The method as claimed in claim 1 , wherein when the first type gate pulse is provided to each gate line of the first group, a data voltage which equals to a common electrode voltage is provided to the corresponding pixels coupled to the gate line being driven by the first type gate pulse.
4. The method as claimed in claim 3 , wherein the common electrode voltage is an alternating voltage.
5. The method as claimed in claim 1 , wherein a clock cycle of a clock signal provided to a gate driver is adjusted so that the gate driver generates the first type gate pulse and the second type gate pulse according to the clock cycle and provides the first type gate pulse and the second type gate pulse to the gate lines.
6. The method as claimed in claim 1 , wherein the first type gate line and the second type gate pulse are provided to each gate line of the first group and the second group in the same frame during showing the display image.
7. An electrophoretic display apparatus comprising: an electrophoretic display panel, having a plurality of gate lines, each of the gate lines being coupled to a plurality of pixels; a gate driver, coupled to the gate lines; and a timing controller, being configured for dividing the gate lines into a first group and a second group when a display image of the electrophoretic display panel needs to be updated, wherein display data relates to the pixels coupled to the gate lines of the first group need not to be updated, and display data relates to at least one of the pixels coupled to the gate lines of the second group need to be updated, the timing controller further being configured for controlling the gate driver to provide a first type gate pulse to each gate line of the first group by adjusting the clock cycle of a clock signal provided to the gate driver, and controlling the gate driver to provide a second type gate pulse to each gate line of the second group by adjusting the clock cycle of the clock signal, the second type gate pulse has a predetermined pulse width, and the pulse width of the first type gate pulse is shorter than the predetermined pulse width.
8. The electrophoretic display apparatus as claimed in claim 7 , wherein the timing controller divides the gate lines into the first group and the second group according to the difference between the display data of a current image frame and the display data of a next image frame next to the current image frame.
9. The electrophoretic display apparatus as claimed in claim 7 , further comprising: a source driver, wherein when the timing controller controls the gate driver to provide the first type gate pulse to each gate line of the first group, the timing controller further controls the source driver to provide a data voltage which is equal to a common electrode voltage to the corresponding pixels coupled to the gate line being driven by the first type gate pulse.
10. The electrophoretic display apparatus as claimed in claim 9 , wherein the common electrode voltage is an alternating voltage.
11. The electrophoretic display apparatus as claimed in claim 7 , wherein a clock cycle of a clock signal provided to a gate driver is adjusted by the timing controller, and the timing controller controls the gate driver to generate the first type gate pulse and the second type gate pulse according to the clock cycle to provide the first type gate pulse and the second type gate pulse to the gate lines.
12. The electrophoretic display apparatus as claimed in claim 7 , wherein the first type gate line and the second type gate pulse are provided to each gate line of the first group and the second group in the same frame during showing the display image.
13. A method for updating a display image of an electrophoretic display panel, the electrophoretic display panel having a plurality of gate lines and a gate driver, each of the gate lines being coupled to a plurality of pixels and the gate driver, the method comprising: dividing the gate lines into a first group and a second group, wherein display data related to the pixels coupled to the gate lines of the first group need not to be updated, and display data related to at least one of the pixels coupled to the gate lines of the second group need to be updated; and providing a first type gate pulse to each gate line of the first group and providing a second type gate pulse to each gate line of the second group, wherein the pulse duration of the first type gate pulse is shorter than that of the second type gate pulse, and the first type gate pulse and the second type gate pulse are obtained by adjusting the clock cycle of a clock signal provided to the gate driver.
14. The method as claimed in claim 13 , wherein the first type gate line and the second type gate pulse are provided to each gate line of the first group and the second group in the same frame during showing the display image.
15. An electrophoretic display apparatus, comprising: an electrophoretic display panel, having a plurality of gate lines, each of the gate lines being coupled to a plurality of pixels; a gate driver, coupled to the gate lines; and a timing controller, being configured for dividing the gate lines into a first group and a second group when a display image of the electrophoretic display panel needs to be updated, wherein display data related to the pixels coupled to the gate lines of the first group need not to be updated, and display data related to at least one of the pixels coupled to the gate lines of the second group need to be updated, the timing controller further being configured for controlling the gate driver to provide a first type gate pulse to each gate line of the first group by adjusting the clock cycle of a clock signal provided to the gate driver, and controlling the gate driver to provide a second type gate pulse to each gate line of the second group by adjusting the clock cycle of the clock signal, wherein the pulse duration of the first type gate pulse is shorter than that of the second type gate pulse.
16. The electrophoretic display apparatus as claimed in claim 15 , wherein the first type gate line and the second type gate pulse are provided to each gate line of the first group and the second group in the same frame during showing the display image.
17. A method for updating a display image of an electrophoretic display panel, the electrophoretic display panel having a plurality of gate lines and a gate driver, each of the gate lines being coupled to a plurality of pixels and the gate driver, the method comprising: providing a variety of gate pulses to the gate lines when a display image needs to be updated so as to enable a first gate line to receive a first type gate pulse having a pulse duration which is shorter than the pulse duration of a second type gate pulse received by the second gate line, wherein the first type gate pulse and the second type gate pulse are obtained by adjusting the clock cycle of a clock signal provided to the gate driver, display data related to the pixels coupled to the first gate line need not to be updated, and display data related to at least one of the pixels coupled to the second gate line need to be updated.
18. The method as claimed in claim 17 , wherein the first type gate line and the second type gate pulse are provided to each gate line of the first group and the second group in the same frame during showing the display image.
19. An electrophoretic display apparatus, comprising: an electrophoretic display panel, having a plurality of gate lines, each of the gate lines being coupled to a plurality of pixels; a gate driver, coupled to the gate lines; and a timing controller, being configured for controlling the gate driver to provide a variety of gate pulses to the gate lines by adjusting the clock cycle of a clock signal provided to the gate driver when a display image of the electrophoretic display panel needs to be updated, so as to enable a first gate line to receive a first type gate pulse having a pulse duration which is shorter than the pulse duration of a second type gate pulse received by the second gate line, wherein display data related to the pixels coupled to the first gate line need not to be updated, and display data related to at least one of the pixels coupled to the second gate line need to be updated.
20. The electrophoretic display apparatus as claimed in claim 19 , wherein the first type gate line and the second type gate pulse are provided to each gate line of the first group and the second group in the same frame during showing the display image.
Unknown
March 18, 2014
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